{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["instrument", "location", "mythical figure", "event", "organization", "person", "media", "disease"], "input": "The film featured a star-studded ensemble cast , including the band members themselves ( most notably , lead singer Roger Daltrey , who plays the title role ) , Ann-Margret , Oliver Reed , Eric Clapton , Tina Turner , Elton John , and Jack Nicholson ."}
{"instrument": [], "location": [], "mythical figure": [], "event": [], "organization": [], "person": ["Roger Daltrey", "Ann-Margret", "Oliver Reed", "Eric Clapton", "Tina Turner", "Elton John", "Jack Nicholson"], "media": [], "disease": []}